Fiendish
Fiendish adjective - Of, relating to, or worthy of an evil spirit.
Ghostly and fiendish are semantically related. In some cases you can use "Ghostly" instead an adjective "Fiendish".
Nearby Words: fiend, fiendishly
Cite this Source
Ghostly and Fiendish. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/fiendish/ghostly
Fiendish & Ghostly. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/fiendish/ghostly>.
Ghostly or Fiendish. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/fiendish/ghostly.
Google Ngram Viewer shows how "fiendish" and "ghostly" have occurred on timeline